Home / 146,325.12-201,928.32-79,257.12

Finding the Fourth Proportional to 146,325.12, 201,928.32 and 79,257.12

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Solution

The fourth proportional to 146,325.12, 201,928.32 and 79,257.12 is: 109,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,325.12 : 201,928.32 = 79,257.12 : x
  2. Step 2: Convert to fraction form
    146,325.12/201,928.32 = 79,257.12/x
  3. Step 3: Cross multiply
    146,325.12x = 201,928.32 × 79,257.12
  4. Step 4: Simplify right side
    146,325.12x = 16,004,257,089.64
  5. Step 5: Solve for x
    x = 16,004,257,089.64/146,325.12
  6. Step 6: Final answer
    x = 109,374.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.